Some of the game's teething problems have already been ironed out, with many of the multiplayer bugs such as broken game modes and unstable maps resolved in the last 24 hours. Improved matchmaking and additional online improvements are expected to be made shortly.

Black Ops broke first-day sales records on release this Tuesday with sales reaching $360m, but there have been complaints about the game's online experience has been plagued with performance issues, with the most common complaint being lag.

Treyarch has announced through its official online forums that it has live patched the Xbox 360, PS3, and PC versions and that there are more updates to come, focussing on improvements to online matchmaking and decreasing lag.